package test1223;

public class Test01 {
    public static void main(String[] args) {

        // (1)互换2个变量中的值
        int a = 2;
        int b = 3;


        int c = a;
        a = b;
        b = c;

        System.out.println(a);
        System.out.println(b);
    }
}
